Absorption by Roots Test

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Absorption by Roots Test - 5

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Weekly Quiz Competition

Question 1
1 / -0

Swelling of raisins, when placed in a beaker of water, demonstrates the phenomenon of

A
exosmosis

B
endosmosis

C
diffusion

D
active transport
Question 2
1 / -0

Mineral nutrients, which are required by the plants, are absorbed by ____________.

A
only stem

B
only roots

C
both stem and roots

D
both stems and bark
Question 3
1 / -0

Which of the following is not an importance of turgidity to plants?

A
Provides strength to soft tissues

B
Provides pressure to push through hard ground

C
Regulation in opening and closing of stomata

D
Rupturing of seed coat in case of germinating seeds
Question 4
1 / -0

The pressure of the cell contents on cell wall is called ______ and the pressure exerted by the cell wall on the cell content is called _______

A
turgor pressure; wall pressure

B
wall pressure; osmotic pressure

C
osmotic pressure; turgor pressure

D
diffusion gradient; wall pressure
Question 5
1 / -0

Which of the following forces is not responsible for ascent of sap?

A
Root pressure

B
Capillarity

C
Transpiration pull

D
Active transport
Question 6
1 / -0

The upward movement of water in a plant towards the stem and leaves is called________

A
guttation

B
transpiration

C
bleeding

D
ascent of sap

Question 7

1 / -0

Match the following:

Column I	Column II
(A) Imbibition	(i) Movement of water molecules across a semipermeable membrane
(B) Active transport	(ii) Free movement of molecules from high to low concentration
(C) Diffusion	(iii) Absorption of water by dead plants or cell by surface attraction
(D) Osmosis	(iv) Passage of a substance from lower to high concentration using energy

(A) – (i), (B) – (ii), (C) – (iii) and (D) – (iv)

(A) – (ii), (B) – (i), (C) – (iv) and (D) – (iii)

(A) – (iii), (B) – (iv), (C) – (ii) and (D) – (i)

(A) – (ii), (B) – (iii), (C) – (iv) and (D) – (i)

Question 8
1 / -0

Which of the following is the reverse of turgidity?

A
Plasmolysis

B
Flaccidity

C
Deplasmolysis

D
Bleeding
Question 9
1 / -0

In a beaker, potassium permanganate dissolves in the water due to

A
diffusion

B
osmosis

C
active transport

D
imbibition

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Re-Attempt Weekly Quiz Competition

Absorption by Roots Test - 5

Result

Absorption by Roots Test - 5

Score

-

Rank

-

SHARING IS CARING

Question 1

exosmosis

endosmosis

diffusion

active transport

Question 2

only stem

only roots

both stem and roots

both stems and bark

Question 3

Provides strength to soft tissues

Provides pressure to push through hard ground

Regulation in opening and closing of stomata

Rupturing of seed coat in case of germinating seeds

Question 4

turgor pressure; wall pressure

wall pressure; osmotic pressure

osmotic pressure; turgor pressure

diffusion gradient; wall pressure

Question 5

Root pressure

Capillarity

Transpiration pull

Active transport

Question 6

guttation

transpiration

bleeding

ascent of sap

Question 7

(A) – (i), (B) – (ii), (C) – (iii) and (D) – (iv)

(A) – (ii), (B) – (i), (C) – (iv) and (D) – (iii)

(A) – (iii), (B) – (iv), (C) – (ii) and (D) – (i)

(A) – (ii), (B) – (iii), (C) – (iv) and (D) – (i)

Question 8

Plasmolysis

Flaccidity

Deplasmolysis

Bleeding

Question 9

diffusion

osmosis

active transport

imbibition

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